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Finding the Fourth Proportional to 183,240.60, 274,763.70 and 64,915.80

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Solution

The fourth proportional to 183,240.60, 274,763.70 and 64,915.80 is: 97,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,240.60 : 274,763.70 = 64,915.80 : x
  2. Step 2: Convert to fraction form
    183,240.60/274,763.70 = 64,915.80/x
  3. Step 3: Cross multiply
    183,240.60x = 274,763.70 × 64,915.80
  4. Step 4: Simplify right side
    183,240.60x = 17,836,505,396.46
  5. Step 5: Solve for x
    x = 17,836,505,396.46/183,240.60
  6. Step 6: Final answer
    x = 97,339.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.